Which test performed at 90 degrees of knee flexion assesses posterolateral rotatory instability involving the PCL?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards

From $25.99Unlock all

Study for the NATA BOC Domain 2 Clinical Evaluation and Diagnosis Test. Utilize our comprehensive flashcards and multiple-choice quiz features; each question comes with hints and thorough explanations. Prepare effectively for your certification exam!

Multiple Choice

Which test performed at 90 degrees of knee flexion assesses posterolateral rotatory instability involving the PCL?

Rotational knee instability that involves the PCL shows up when the tibia externally rotates abnormally while the knee is bent. The dial test at 90 degrees specifically targets this situation. When the knee is flexed to 90 degrees, the PCL and the posterolateral corner provide the key restraints against rotation and posterior movement. If the PCL is injured (sometimes with PLC involvement), these restraints are weakened, so applying external rotation produces a greater amount of tibial outward rotation compared with the uninjured knee. That increased external rotation at 90 degrees is what signals posterolateral rotatory instability related to PCL injury.

Which test performed at 90 degrees of knee flexion assesses posterolateral rotatory instability involving the PCL?

Study for the NATA BOC Domain 2 Clinical Evaluation and Diagnosis Test. Utilize our comprehensive flashcards and multiple-choice quiz features; each question comes with hints and thorough explanations. Prepare effectively for your certification exam!

Which test performed at 90 degrees of knee flexion assesses posterolateral rotatory instability involving the PCL?

Get the latest from Passetra